Dr. Hennepin is conducting a study on a new psychotherapy for depression. The depressed clients in his study are diverse, ranging greatly both in the presence of comorbid diagnoses and the severity of their depression; the therapists also are diverse, with different types of mental health training (clinical psychology, social work) and different levels of experience. Dr. Hennepin's study has a
high degree of external validity. What term is used for studies of this nature?
a. a psychotherapy efficacy study
b. a psychotherapy effectiveness study
c. an analog treatment study
d. a double-blind placebo trial
B
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What is the main function of the reticular activating system?
A) To control thinking B) To regulate emotions C) To control levels of arousal D) To coordinate involuntary rapid fine-motor movements
In blended families,
A) older children tend to adapt better than younger ones. B) daughters are less likely to adjust to the new arrangement than sons. C) the better the newlyweds' relationship, the better their relationships will be with the children. D) children's schoolwork will improve as they channel more energy into school to compensate for their unhappiness at home.
Whitehorn et al. (2004 ), from Nova Scotia, revealed that the rate of hospitalization of individuals suffering for schizophrenia was:
a) 25% b) 32% c) 46% d) 54%
The formula used to estimate how long a test must be to achieve a desired level of reliability is
a. kappa b. prophecy c. Spearman d. Thorndike